Inside Instagram application profile picture is very small and doesn't display all details. You just can't zoom profile picture.
Luckily, π―πΎπ΅π΅π²π·πΌπ½πͺ helps you to view instadp. For instance, you see picture of Axel Witsel Instagram Profile above. It has the highest possible FullHD resolution with maximum zoom.
This FullInsta InstaDP allows you to save a profile picture of @axelwitsel28 for personal use. Click on the button above to download it your gallery or camera roll.